Here the sessions during the day and the night according Shardza Tashi Gyaltsen's Kusum Rangshar which was explained by H.E.Lopon Tenzin Namdak Rinpoche

It is an excellent schedule for practice.

1) Early morning:At this time you need to remember the preliminaries and to try to go through them several times first. These are thepreciousness of human life; impermanence; the power of karma; the suffering of all sentient beings; developingcompassion; Bodhicitta; refuge; confession; Mandala Offering; guru yoga. After completing Guru Yoga, keep incontinuous meditation with Trekchö. When you are almost ready to end the session, you can practise some Tummo fora while if you are already familiar with it.

2) Sunrise:Make offerings of sang and water at sunrise and do your usual daily practice and prayers.

3) When the sun shines:Practise Tögal with the sun.

4) Midday:Integrate your work with prostrations and normal practices for the benefit of others.